Home / 215,766.16-323,648.77-57,994.61

Finding the Fourth Proportional to 215,766.16, 323,648.77 and 57,994.61

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Solution

The fourth proportional to 215,766.16, 323,648.77 and 57,994.61 is: 86,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,766.16 : 323,648.77 = 57,994.61 : x
  2. Step 2: Convert to fraction form
    215,766.16/323,648.77 = 57,994.61/x
  3. Step 3: Cross multiply
    215,766.16x = 323,648.77 × 57,994.61
  4. Step 4: Simplify right side
    215,766.16x = 18,769,883,239.02
  5. Step 5: Solve for x
    x = 18,769,883,239.02/215,766.16
  6. Step 6: Final answer
    x = 86,991.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.